FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/vf_gblur.c
Date: 2025-10-30 10:49:07
Exec Total Coverage
Lines: 54 57 94.7%
Functions: 4 4 100.0%
Branches: 20 44 45.5%
Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #include <float.h>
20 #include <string.h>
21 #include "checkasm.h"
22 #include "libavutil/mem.h"
23 #include "libavfilter/vf_gblur_init.h"
24
25 #define WIDTH 256
26 #define HEIGHT 256
27 #define PIXELS (WIDTH * HEIGHT)
28 #define BUF_SIZE (PIXELS * 4)
29
30 #define randomize_buffers(buf, size) \
31 do { \
32 int j; \
33 float *tmp_buf = (float *)buf; \
34 for (j = 0; j < size; j++) \
35 tmp_buf[j] = (float)(rnd() & 0xFF); \
36 } while (0)
37
38 3 static void check_horiz_slice(float *dst_ref, float *dst_new, float *localbuf)
39 {
40 3 int steps = 2;
41 3 float nu = 0.101f;
42 3 float bscale = 1.112f;
43
44 3 declare_func(void, float *dst, int w, int h, int steps, float nu, float bscale, float *localbuf);
45 3 call_ref(dst_ref, WIDTH, HEIGHT, steps, nu, bscale, localbuf);
46 3 call_new(dst_new, WIDTH, HEIGHT, steps, nu, bscale, localbuf);
47
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 3 if (!float_near_abs_eps_array(dst_ref, dst_new, 0.01f, PIXELS)) {
48 ✗ fail();
49 }
50
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 3 bench_new(dst_new, WIDTH, HEIGHT, 1, nu, bscale, localbuf);
51 3 }
52
53 2 static void check_verti_slice(float *dst_ref, float *dst_new)
54 {
55 2 int steps = 2;
56 2 float nu = 0.101f;
57 2 float bscale = 1.112f;
58
59 2 declare_func(void, float *buffer, int width, int height, int column_begin,
60 int column_end, int steps, float nu, float bscale);
61 2 call_ref(dst_ref, WIDTH, HEIGHT, 0, WIDTH, steps, nu, bscale);
62 2 call_new(dst_new, WIDTH, HEIGHT, 0, WIDTH, steps, nu, bscale);
63
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 2 if (!float_near_abs_eps_array(dst_ref, dst_new, 0.01f, PIXELS)) {
64 ✗ fail();
65 }
66
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 2 bench_new(dst_new, WIDTH, HEIGHT, 0, WIDTH, 1, nu, bscale);
67 2 }
68
69 3 static void check_postscale_slice(float *dst_ref, float *dst_new)
70 {
71 3 float postscale = 0.0603f;
72
73 3 declare_func(void, float *dst, int len, float postscale, float min, float max);
74 3 call_ref(dst_ref, PIXELS, postscale, -FLT_MAX, FLT_MAX);
75 3 call_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
76
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 3 if (!float_near_abs_eps_array(dst_ref, dst_new, FLT_EPSILON, PIXELS)) {
77 ✗ fail();
78 }
79
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 3 bench_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
80 3 }
81
82 13 void checkasm_check_vf_gblur(void)
83 {
84 13 float *dst_ref = av_malloc(BUF_SIZE);
85 13 float *dst_new = av_malloc(BUF_SIZE);
86 GBlurContext s;
87
88
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 851981 randomize_buffers(dst_ref, PIXELS);
89 13 memcpy(dst_new, dst_ref, BUF_SIZE);
90
91 13 s.planewidth[0] = WIDTH;
92 13 s.planeheight[0] = HEIGHT;
93 13 ff_gblur_init(&s);
94
95
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 13 if (check_func(s.horiz_slice, "horiz_slice")) {
96 3 check_horiz_slice(dst_ref, dst_new, s.localbuf);
97 }
98 13 report("horiz_slice");
99
100
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 851981 randomize_buffers(dst_ref, PIXELS);
101 13 memcpy(dst_new, dst_ref, BUF_SIZE);
102
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 13 if (check_func(s.postscale_slice, "postscale_slice")) {
103 3 check_postscale_slice(dst_ref, dst_new);
104 }
105 13 report("postscale_slice");
106
107
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 851981 randomize_buffers(dst_ref, PIXELS);
108 13 memcpy(dst_new, dst_ref, BUF_SIZE);
109
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 13 if (check_func(s.verti_slice, "verti_slice")) {
110 2 check_verti_slice(dst_ref, dst_new);
111 }
112 13 report("verti_slice");
113
114
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 13 if (s.localbuf)
115 1 av_free(s.localbuf);
116
117 13 av_freep(&dst_ref);
118 13 av_freep(&dst_new);
119 13 }
120